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nb/intel/i440bx: Use PARALLEL_MP

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The ramstage size is decreased by roughly 5K, but the compressed size
increased by ~1K.

Change-Id: Ic8d2582b353069eecea8561cfe01b2dd8221779b
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/59693
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-by: Lean Sheng Tan <sheng.tan@9elements.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Arthur Heymans 2021-11-26 14:53:13 +01:00
parent e771b9a65f
commit 46e93f91af
2 changed files with 15 additions and 6 deletions
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1
src/northbridge/intel/i440bx/Kconfig
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@ -5,7 +5,6 @@ config NORTHBRIDGE_INTEL_I440BX
select NO_ECAM_MMCONF_SUPPORT select NO_ECAM_MMCONF_SUPPORT
select HAVE_DEBUG_RAM_SETUP select HAVE_DEBUG_RAM_SETUP
select NO_CBFS_MCACHE select NO_CBFS_MCACHE
select LEGACY_SMP_INIT
config SDRAMPWR_4DIMM config SDRAMPWR_4DIMM
bool bool

20
src/northbridge/intel/i440bx/northbridge.c
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@ -1,12 +1,12 @@
/* SPDX-License-Identifier: GPL-2.0-only */ /* SPDX-License-Identifier: GPL-2.0-only */
#include <console/console.h> #include <console/console.h>
#include <cpu/x86/mp.h>
#include <device/pci_ops.h> #include <device/pci_ops.h>
#include <stdint.h>
#include <device/device.h> #include <device/device.h>
#include <device/pci.h> #include <device/pci.h>
#include <device/pci_ids.h> #include <device/pci_ids.h>
#include <cpu/cpu.h> #include <stdint.h>
#include "i440bx.h" #include "i440bx.h"
static void northbridge_init(struct device *dev) static void northbridge_init(struct device *dev)
@ -72,15 +72,25 @@ static struct device_operations pci_domain_ops = {
.scan_bus = pci_domain_scan_bus, .scan_bus = pci_domain_scan_bus,
}; };
static void cpu_bus_init(struct device *dev) static int get_cpu_count(void)
{ {
initialize_cpus(dev->link_list); return CONFIG_MAX_CPUS;
}
static const struct mp_ops mp_ops = {
.get_cpu_count = get_cpu_count,
};
void mp_init_cpus(struct bus *cpu_bus)
{
/* TODO: Handle mp_init_with_smm failure? */
mp_init_with_smm(cpu_bus, &mp_ops);
} }
static struct device_operations cpu_bus_ops = { static struct device_operations cpu_bus_ops = {
.read_resources = noop_read_resources, .read_resources = noop_read_resources,
.set_resources = noop_set_resources, .set_resources = noop_set_resources,
.init = cpu_bus_init, .init = mp_cpu_bus_init,
}; };
static void enable_dev(struct device *dev) static void enable_dev(struct device *dev)